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28 lines
1.0 KiB
JavaScript
28 lines
1.0 KiB
JavaScript
9 months ago
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"use strict";
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const privateCpuProfileName = process.env.__NEXT_PRIVATE_CPU_PROFILE;
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const isCpuProfileEnabled = process.env.NEXT_CPU_PROF || privateCpuProfileName;
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if (isCpuProfileEnabled) {
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const { Session } = require("inspector");
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const fs = require("fs");
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const session = new Session();
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session.connect();
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session.post("Profiler.enable");
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session.post("Profiler.start");
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function saveProfile() {
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session.post("Profiler.stop", (error, param)=>{
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if (error) {
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console.error("Cannot generate CPU profiling:", error);
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return;
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}
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// Write profile to disk
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const filename = `${privateCpuProfileName || "CPU.main"}.${Date.now()}.cpuprofile`;
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fs.writeFileSync(`./${filename}`, JSON.stringify(param.profile));
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process.exit(0);
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});
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}
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process.on("SIGINT", saveProfile);
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process.on("SIGTERM", saveProfile);
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process.on("exit", saveProfile);
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}
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//# sourceMappingURL=cpu-profile.js.map
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